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(11)

EP 1 810 124 A1

(12)

(43) Date of publication: 25.07.2007 Bulletin 2007/30 (21) Application number: 05781909.6 (22) Date of filing: 31.08.2005

(51) International Patent Classification (IPC):  G06F 3/048(2006.01) G06F 3/12(2006.01) G06F 17/21(2006.01) (86) International application number: PCT/JP2005/016366 (87) International publication number: WO 2006/025590 (09.03.2006 Gazette 2006/10)

(84) Designated Contracting States: DE ES FR GB IT NL (30) Priority: 03.09.2004 JP 2004257422 (71) Applicant: CANON KABUSHIKI KAISHA Ohta-ku Tokyo 146-8501 (JP)	(72) Inventor: MURAYAMA, Tsutomu, CANON KABUSHIKI KAISHA Tokyo 146-8501 (JP) (74) Representative: TBK-Patent  Bavariaring 4-6 80336 München 80336 München (DE)